/Engine/Plugins/Runtime/AudioMotorSim/Source/AudioMotorSimStandardComponents/Public/RpmCurveMotorSimComponent.h
[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)([BlueprintType](Programming/UnrealArchitecture/Reference/Structs/Specifiers/BlueprintType)) struct FMotorSimGearCurve
FRuntimeFloatCu...
RpmCurve
Normalized curve, 0-1, of the output RPM from the last gear's top speed to this one's
float
SpeedTopThreshold
Speed at which the next gear starts.